Sony Bravia KD-49XF8577 HDTV Firmware 607220100

Benefits and Improvements:

- Improves general performance of the TV

The following benefits and improvements are also included in this update:

- Resolves an issue where the panel refresh procedure could not be successfully completed (OLED TV)
- Resolves an issue where the TV could occasionally restart when playing back Dolby Vision content
- Resolves an issue where the TV randomly restarts
- Resolves an issue where the TV does not turn off when turning off HDMI devices connected via BRAVIA Sync (HDMI CEC)
- Resolves an issue where an information banner appears randomly while watching content through HDMI connected devices
- Resolves an issue where the TV can’t connect with specific wireless subwoofers
- Introduces redesigned and streamlined Settings menus (Android 9 Pie) - For more information on the Setting menu change, please refer to this article.
- Combines the Video, Album and Music apps into one Media Player app
- Removes the WPS function for improved security
- Improves the TV’s responsiveness when switching on from standby
- Resolves a no sound issue from a specific sound bar connected via HDMI ARC
- Improves video playback on HbbTV applications
- Improves Wi-Fi function
- Resolves the black screen issue caused by High Efficiency Video Coding (HEVC) format decoding via the TV tuner
- Adds support for HEVC 100/120Hz in USB video playback
- Solves a network error issue caused by an incorrect system time setting
- Fixes a blinking LED issue on AG8 models and improves system performance
- Improves the TV’s responsiveness when switching on from standby

Important Notice:

- Read the instructions carefully or you could end up causing the TV to become unresponsive or require a repair.
- Do not turn off the TV or disconnect it from power while it's updating.
- Do not press any buttons, except the ones mentioned in the instructions.
- Stop any recording before you start the firmware update (USB HDD recording models only).

Install the update:

- Download the update file to your PC.
- Verify the downloaded file name and size (see the File Info section).
- Extract the downloaded file. Note: After you extract the downloaded file, you will find a file (sony_dtvxxxxx_xxxx_xxxxxx.pkg).
- Insert the USB flash drive into your PC.
- Copy or drag and drop the extracted file to the root directory of your USB device. Note: The root directory is the first or top-most directory of the device, which contains all the other folders.
- Remove the USB flash drive from your computer and continue to the next section.
- Turn on the TV.
- Make sure that no USB devices are inserted into your TV.
- Insert your USB flash drive containing the extracted file (sony_dtvxxxxx_xxxx_xxxxxx.pkg) into a USB port of the TV set. Note: Any USB slot can be used if the TV has multiple USB ports.
- Once the USB flash drive has been detected, a series of different messages will appear on the TV set. Follow the on screen instructions. Note: If the messages do not appear automatically, try turning the TV off and on with the remote control.
- When the file is finished copying from the USB flash drive, the update process will begin, the POWER indicator on the TV will begin flashing white, and the update progress screen is displayed on the TV.
- After several minutes, the TV will turn off and then turn back on to complete the update. WARNING! During the software installation process, please do not remove the USB device, do not turn off the TV, and do not disconnect the TV from the power supply
- When the software update is complete, a message appears on the TV indicating the software update is complete.
- Carefully remove the USB device from the USB slot. 

About TV Firmware:

By upgrading your TV firmware version, you will benefit from improved image quality, fixed various noise issues, enhanced Internet connectivity (if available), boosted stability and usability level, as well as from several other changes.

However, you should first check that this release is compatible with your TV model and that it specifically resolves a problem that you have been encountering or makes changes that you deem useful.

In addition to that, since there are numerous TV models and manufacturers, as well as several methods for updating the software version, we recommend that you refer to the product guide, familiarize yourself with the procedure, and initiate the upgrade only when you have completely understood the steps.

Bear in mind that, in the event of an update failure encountered by trying to apply an improper firmware or if you don't successfully succeed to install the new software, the TV can suffer serious malfunctions.

Therefore, if you wish to apply this release, click the download button, get the package, and refer to the update guide to upgrade the TV firmware. Also, if you want to stay up to date with latest releases, check with our website as often as possible.